Oil of wintergreen, or methyl salicylate, has the following structure:
Methyl 4-hydroxybenzoate is another molecule with exactly the same molecular formula; it has the following structure:
Account for the large difference in the melting points of the two substances.
Answer to relevant QuestionsYou have three covalent compounds with three very different boiling points. All of the compounds have similar molar mass and relative shape. Explain how these three compounds could have very different boiling points. Use the diagram of the unit cell for the hexagonal closest packed structure in Fig. 16.14 to determine the net number of atoms in the hcp unit cell. Figure 16.14. Although Al(OH)3 is insoluble in water, NaOH is very soluble. Explain this difference in terms of lattice energies. The solubility of nitrogen in water is 8.21 × 10-4 mol/ L at 0oC when the N2 pressure above water is 0.790 atm. Calculate the Henry’s law constant for N2 in units of L atm/mol for Henry’s law in the form P = kC, where C ...Determine the van’t Hoff factor for the following ionic solute dissolved in water.
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